28258364822 has 4 divisors (see below), whose sum is σ = 42387547236. Its totient is φ = 14129182410.

The previous prime is 28258364819. The next prime is 28258364831. The reversal of 28258364822 is 22846385282.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7064591204 + ... + 7064591207.

It is an arithmetic number, because the mean of its divisors is an integer number (10596886809).

Almost surely, 2^28258364822 is an apocalyptic number.

28258364822 is a deficient number, since it is larger than the sum of its proper divisors (14129182414).

28258364822 is a wasteful number, since it uses less digits than its factorization.

28258364822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14129182413.

The product of its digits is 2949120, while the sum is 50.

The spelling of 28258364822 in words is "twenty-eight billion, two hundred fifty-eight million, three hundred sixty-four thousand, eight hundred twenty-two".